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Discussion Starter · #1 ·
So I bought a second hand x.0 crankset on ebay (too bad they werent in as good as shape as I tought)

But there seem to be 2 o-rings mounted on the drive side

Bicycle part Bicycle drivetrain part Rim Crankset Spoke


anybody any idea what they are for? adjusting chainline?

Already searched the net but the closest thing that I've found was this
But the arent o-rings

2013 EC Custom Salsa Fargo Ti Build | Endless Cycles Blog
 

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Discussion Starter · #4 ·
I contacted te seller.

This is what he said:

"Hi Steve
My local bike shop mechanic (Muddybums) put them on for me as he believes with these on they protect the drive side bottom bracket cup better.
No need to keep them on there if u don't need them but I ran them on there from his recommendation and it was faultless."

Thx for the reply anyway ;)
 
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